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Finding the Fourth Proportional to 347,114.39, 521,153.44 and 178,755.08

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Solution

The fourth proportional to 347,114.39, 521,153.44 and 178,755.08 is: 268,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,114.39 : 521,153.44 = 178,755.08 : x
  2. Step 2: Convert to fraction form
    347,114.39/521,153.44 = 178,755.08/x
  3. Step 3: Cross multiply
    347,114.39x = 521,153.44 × 178,755.08
  4. Step 4: Simplify right side
    347,114.39x = 93,158,821,806.82
  5. Step 5: Solve for x
    x = 93,158,821,806.82/347,114.39
  6. Step 6: Final answer
    x = 268,380.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.